package com.gem.dao;

import com.gem.entity.User;

/**
 * @Auther: jzhang
 * @Date: 2019/12/31 16:03
 * @Description:
 */
public interface UserDAO {
    //根据ID查询用户
     User findUserById(int id);

    //添加用户
    void insertUser(User user);

    //删除用户
    void deleteUser(int id);
}
